Open Stack

On Fri, May 22, 2015 at 5:19 AM, Mathieu Gagné <mgagne at iweb.com> wrote:

> On 2015-05-21 4:18 PM, Chris Friesen wrote:
> >>>
> >>
> >> I guess it's for the reason I mentioned above:
> >>
> >> To not break all OpenStack installations on Earth running with default
> >> config values.
> >>
> >
> > So that's not breaking *upgrades* of all OpenStack installations with
> > default config values, which is a slightly different thing.
> >
>
> Yes it will. Try to change instance_template_name and manage existing
> instances. You won't be able.
>
> The above scenario is the same as upgrading OpenStack Nova and having
> instance_template_name changes its default value. Unless someone patches
> Nova to use the instance UUID instead of its name to find it in libvirt.
>

Novice question:
   For each instance I believe we store the name (instance-0000xx) and uuid
in
the DB ? If yes, then can't nova lookup using uuid given the name or vice
versa
since the mapping to name - uuid is possible from DB ?


>
> --
> Mathieu
>
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